Finding the Fourth Proportional to 6,620,827.26, 9,136,449.99 and 3,867,769.56
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Solution
The fourth proportional to 6,620,827.26, 9,136,449.99 and 3,867,769.56 is: 5,337,351.63
Step by Step Solution
- Step 1: Write the proportion equation
6,620,827.26 : 9,136,449.99 = 3,867,769.56 : x - Step 2: Convert to fraction form
6,620,827.26/9,136,449.99 = 3,867,769.56/x - Step 3: Cross multiply
6,620,827.26x = 9,136,449.99 × 3,867,769.56 - Step 4: Simplify right side
6,620,827.26x = 35,337,683,157,784.30 - Step 5: Solve for x
x = 35,337,683,157,784.30/6,620,827.26 - Step 6: Final answer
x = 5,337,351.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.